Cita APA (7th ed.)

Müller, U., & Höchst, O. (1975). Potsdam (o.A.).

Cita Chicago (17th ed.)

Müller, Ursula, i Otto Höchst. Potsdam. o.A. Potsdam, 1975.

Cita MLA (8th ed.)

Müller, Ursula, i Otto Höchst. Potsdam. o.A. 1975.